78998240

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3769}}^1$

素因数の和:3915

約数の個数: 48

約数和(自身を含む): 188107920

約数和(自身を除く): 109109680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 1048, 1310, 2096, 2620, 3769, 4192, 5240, 7538, 10480, 15076, 18845, 20960, 30152, 37690, 60304, 75380, 120608, 150760, 301520, 493739, 603040, 987478, 1974956, 2468695, 3949912, 4937390, 7899824, 9874780, 15799648, 19749560, 39499120, 78998240]

約数ペア:

[(1, 78998240), (2, 39499120), (4, 19749560), (5, 15799648), (8, 9874780), (10, 7899824), (16, 4937390), (20, 3949912), (32, 2468695), (40, 1974956), (80, 987478), (131, 603040), (160, 493739), (262, 301520), (524, 150760), (655, 120608), (1048, 75380), (1310, 60304), (2096, 37690), (2620, 30152), (3769, 20960), (4192, 18845), (5240, 15076), (7538, 10480)]